cksumlen 1755 netinet6/ip6_mroute.c int cksumlen; cksumlen 1762 netinet6/ip6_mroute.c cksumlen = PIM_MINLEN; cksumlen 1764 netinet6/ip6_mroute.c cksumlen = pimlen; cksumlen 1766 netinet6/ip6_mroute.c if (in6_cksum(m, IPPROTO_PIM, off, cksumlen)) {